solve 9,10,11 please

Question 9 0.7 pts Stock A has a standard deviation of 20% and a Beta of 1.2. The standard deviation of the market portfolio is 10%. Stock A's unique or unsystematic risk, expressed as a standard deviation is 1. Show the formula 10.1 point) 2. Show Steps and calculation (0.5 point) 3. Present the answer (0.1 point Upload Choose a Fle 0.1 pts Question 10 When you draw a Security Market line through the risk free return and the market portfolio an overvalued security lies 0.4 pts D Question 11 Amargin user has a situation where the riskfree rate is 6% and the risky portfolio has an expected retum of 12% with a standard deviation of 15%. If the proportion in risky portfolio is 1.8, the expected 1. Show the formule 10.1 point 2. Show Steps and calculation 10.2 point 3. Present their 10.1 paint Upload Choose a File